A unit rate in math is the expression of a rate in a quantity of one. For example, 60 miles per hour represents a commonly used unit rate. Similarly, 30 students per school bus also represents a unit rate. Continue Reading
The symptoms of sinus infection and allergies can be similar. Both can cause symptoms such as runny nose, congestion, headaches, nighttime cough, and difficulty breathing. You are more likely to have a sinus infection if you have fever, colored nasal discharge, and facial or sinus pain.
Sinusitis is inflammation and swelling of the lining membranes of the sinuses. This is commonly caused by bacterial or viral infections or blockage of the sinus openings by thickened mucosa called polyps. Symptoms of sinusitis include facial pain or pressure, nasal obstruction, discolored nasal drainage, loss of sense of smell, and headaches. The majority of patients with sinusitis can successfully be treated with antibiotics or other medications, treatment of allergies or environmental control.